Intersection Option
The intersection option is used to determine a point of intersection
of two graphs. While viewing a graph, press
.
to select the intersect option. Or, type 
.
If there are more than one point of intersection, choose intersect a second time followed by
The coordinates of the point(s) of intersection appear at the bottom of the screen.
Here, the left-most point of intersection is about
(1.46, -3.54) and the one on the right is approximately (7.54, 2,24).